China State Construction Fourth Engineering Bureau Ltd. has recently applied for a patent for a mobile energy storage device aimed at achieving temperature control management and extending battery life. According to information from the National Intellectual Property Administration, the patent, named “A Mobile Energy Storage Device,” has been assigned the publication number CN119944169A, with the application date recorded as January 2025.
The patent summary indicates that the invention includes a battery box, a temperature control management system, a fire protection system, a battery management system, a high-pressure control system, an in-cabin energy management system, and a power supply system. By incorporating a temperature control management system within the energy storage device, the invention enables real-time monitoring of the temperature of equipment within the battery box. Based on the monitored temperature, it adjusts the equipment’s temperature accordingly to ensure it remains within a safe range.
Additionally, the inclusion of a fire protection system allows for fire point detection across various components in the battery box. Depending on the temperature and gas concentration at the fire point, the system can generate different levels of alarm notifications. Moreover, the battery management system facilitates real-time monitoring of data for each battery unit, allowing for effective management and greater protection of the battery units, ultimately enhancing their longevity.
According to data from Tianyancha, China State Construction Fourth Engineering Bureau Ltd. was established in 1991 and is located in Guangzhou. The company primarily engages in the construction industry and has a registered capital of 800 million RMB. Analysis of big data from Tianyancha reveals that the company has invested in 107 enterprises, participated in 5,000 bidding projects, and holds 4,383 patents, along with 3,097 administrative licenses.
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